QQuestionChemistry
QuestionChemistry
"What is the molecular shape of ClCN as predicted by the VSEPR theory? (Carbon is the central atom.)
A) linear
B) bent
C) angular
D) trigonal
E) none of the above"
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Answer
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Step 1: Identify the number of electron groups around the central atom.
In the ClCN molecule, carbon is the central atom and it forms three sigma bonds with chlorine and nitrogen. Each sigma bond contributes one electron group. Therefore, there are 3 electron groups around the carbon atom.
Step 2: Determine the molecular geometry using the electron group arrangement.
For 3 electron groups, the electron group arrangement is trigonal planar. This is because the electron groups arrange themselves in such a way as to minimize repulsion. In a trigonal planar arrangement, the electron groups are positioned at 120 -degree angles from each other.
Final Answer
The molecular shape of ClCN is trigonal planar (D).
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